Solutions that make a difference

STS Defence are specialists in mission-critical communications and intelligent systems, and operate in markets including the defence, marine, aerospace and nuclear sectors.

We help our customers to resolve complex technical challenges; investigating and creating innovative solutions, designing and manufacturing assemblies and sub-assemblies, and integrating and supporting systems through‑life.

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We deliver communications systems and support to both the naval and land domains.


We manufacture equipment and assemblies for the civil and military aerospace sector.


We manufacture subsea cabling systems and are currently condition monitoring systems for shipping.


We provide integrated training solutions and safety consultancy to the nuclear and defence sectors.

What we offer

Research & Technology

We undertake research into new technologies that help our clients resolve complex technical problems.

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Design & Manufacture

We produce electronic and mechanical systems and sub-assemblies where quality and security are paramount.

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Integration & Support

We integrate electronic systems onto military platforms and provide integrated logistic support through-life.

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Supporting you from idea to in-service

Wherever you are in the product lifecycle, we can help.  We work out ways to exploit new technology. We help mature concepts into workable prototypes and small-batch production, and we integrate systems and equipment and support them through-life.

By operating across the life-cycle spectrum, we offer you an agile, low-risk and cost-effective way to investigate, develop, deploy and sustain technology that delivers results.

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News and Articles

30th November 2018

Swedish firefighters believe FiRST® technology could be a key piece of the jigsaw in achieving safer fire and rescue operations

Firefighters and industry experts from RISE, the fire Research Institute in Sweden, witnessed FiRST technology in action during recent Fire and Rescue Services live fire…
16th November 2018

STS Defence Present White Paper at RE18

STS Defence were honoured to present FiRST technology in a paper entitled “A Decision-aid Device to Warn Firefighters of Catastrophic Temperature Increases using a Time-Series…
FiRST, Firefighter, AI, Intelligent Monitoring, IntelliMon BlogNews
9th November 2018

Predictive Temperature Alarm has been the missing equipment for firefighters for the last ten years

Firefighters across the world have hailed the STS Defence Firefighter Rescue & Support Technology (FiRST) as ‘greatly improving situational awareness’. Comments from end users cite…

Case studies

Engine cases for Vector Aerospace

Providing a secure voice and data communications network for boarding operations to improve situational awareness

Carry-on Bowman

Providing a secure voice and data communications network for boarding operations to improve situational awareness

Data Distribution System for Air Traffic Control

Distributing live and static data to Air Traffic Control operators at their positions, eliminating the time wasting and errors caused by misreading handwritten data.

Gunnery Communications

Quickly developing a solution to improve gunnery control and communciations

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Join the team

Do you want to be part of a company that’s going somewhere?  We are looking for individuals with a passion for solving problems.  Whether you are an experienced technology professional or just starting out in your career, STS Defence offers you a chance to grow.

Find out more about working with usView our current vacancies